Ulitis
龈炎
🗣️ 情景例句
Did you pay for that?
你付钱了没有？
I see. I'll go and check.
噢，原来是这样，那我再去查查看。
Centuries ago, the word beeline was made to describe this thin line of bees flying through the air.
几百年前，有人用beeline 这个词来描写蜜蜂在空中飞行的细窄路线。